{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["location", "disease", "geographical phenomenon"], "input": "He steadily progressed into full-contact practices in early-April , aiming for a playoff return against the Montreal Canadiens in the opening round , however he was held back by team doctors ."}
{"location": [], "disease": [], "geographical phenomenon": []}